changedirectory

A1：

@echo off
set str=I love,bbs,bathome.net
set str=%str:.= %
for %%I in (%str%) do echo %%I
pauseCOPY

A2模仿12楼的）

@echo off
set str=I love,bbs;bathome.net
set str=%str:.= %
for %%I in (%str%) do (set a=%%I)
echo %a%
pauseCOPY